Hydroquinone CAS#: 123-31-9; ChemWhat Code: 114385
Names & Identifiers |
| Product Name | Hydroquinone |
| Synonyms | Hydroquinone, 99.5%, 99.5%;Hydrochinone 0;Hydroquinone ReagentPlus(R), >=99.5%;HYDROQUINONE GPR RECTAPUR;PHOTO GRADE Hydroquinone;HYDROQUINONE PHOTO GRADE 99%;p-Benzediel p-Dihydroxybenzene Hydroquinol 1,4-Benzenediol 1,4-Dihydroxybenzene Quinol;Hydroquinone, p.a. |
| CAS Registry Number | 123-31-9 |
| Molecular Formula | C6H6O2 |
| Molecular Weight | 110.11 |
| EINECS | 204-617-8 |
| Other Registry Numbers | |
| More Identifiers on PubChem | IUPA Names, InChI, InChI Key, Canonical SMILES, etc. |
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Chemical & Physical Properties |
| Melting point | 172-175 °C(lit.) |
| Boiling Point | 285 °C(lit.) |
| Density | 1.32 |
| vapor Density | 3.81 (vs air) |
| vapor pressure | 1 mm Hg ( 132 °C) |
| Flash Point | 165 °C |
| Storage | Refrigerator |
| Solubulity | H2O: 50 mg/mL, clear |
| pka | 10.35(at 20℃) |
| form | Needle-Like Crystals or Crystalline Powder |
| Color | White to off-white |
| Water Solubility | 70 g/L (20 ºC) |
| Sensitive | Air & Light Sensitive |
| Merck | 14,4808 |
| BRN | 605970 |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents, strong bases, oxygen, ferric salts. Light and air-sensitive. Discolours in air. |
| More Properties From PubChem | Topological Polar Surface Area, Monoisotopic Mass, etc. |
| NIST Chemistry Reference | Hydroquinone(123-31-9) |
| EPA Substance Registry System | 1,4-Benzenediol(123-31-9) |
Safety & Hazards(Codes & Phrases) |
| Hazard Codes | Xn,N |
| R Phrase | 22-40-41-43-50-68-R68-R50-R43-R41-R40-R22 |
| S Phrase | 26-36/37/39-61-S61-S36/37/39-S26 |
| RIDADR | 2662 |
| WGK Germany | 3 |
| RTECS | MX3500000 |
| TSCA | Yes |
| Storage Class | 9 |
| Packing Group | III |
| HS Code | 29072210 |
| Hazardous Substances Data | 123-31-9(Hazardous Substances Data) |
| More Safety & Hazards From PubChem | Signal, GHS Hazard Statements, Precautionary Statement Codes, etc. |
Literature |
| Literature on PubChem | Synthesis References, Metabolite References, etc. |
Patents |
| Patents on PubChem | Related Patents Of This Product |
Transportation, Storage & Usage |
| Transportation | No Information |
| Storage | No Information |
| Usage | No Information |
Spectral Properties |
| No Information |
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